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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹38.1 LAccepted-AOC | L1 | Accepted-AOC L1, Found reasonable for acceptance | |
| 2 | L2₹39.4 L+₹31,500 (0.81%)Rejected-Finance | L2 | Rejected-Finance Not being L1 | |
| 3 | L3₹39.5 L+₹38,220 (0.98%)Rejected-Finance EBENEZER C C33 1185A CHALIKAVATTOM VENNALA P O KOCHI KERALA 682 028 | ERNAKULAM | KERALA | 682028 | L3 | Rejected-Finance Not being L1 |
| Sl No | Description | Qty | Unit | Archana Transport L1 | Powertech Engineers L3 | Dhanyaconstructions L2 |
|---|---|---|---|---|---|---|
| 1.00 | Demolition of cement concrete in roofs, floors (other than ground floor), beams, staircases, landing, tank staging and similar suspended work, complete all as specified and as directed. | 15 | Cum | 1,200 ₹18,000 | 900 ₹13,500 | 600 ₹9,000 Lowest |
| 2.00 | M&L PCC 1:2:4 type B0 using 12.5mm graded stone aggregate as in padding concrete for roof, plinth courses, copings, string courses, water troughs and the like finished even and smooth including necessary formwork, weathering, slightly rounded or chamfered angles and throating complete all as specified and directed. | 10 | Cum | 7,500 ₹75,000 Lowest | 10,000 ₹1,00,000 | 8,500 ₹85,000 |
| 3.00 | M&L PCC 1:3:6 type C1 using 20mm graded stone aggregate as in tank staging concrete complete all as specified and as directed. | 5 | Cum | 6,900 ₹34,500 Lowest | 9,000 ₹45,000 | 7,500 ₹37,500 |
| 4.00 | Taking down cement plaster including existing roof treatment or fillets on roof surfaces and wall surfaces complete, racking out joints, hacking for key scrubbing down with water etc and removing rubbish to a distance exc 250m and not exc 500m, complete all as specified and as directed. | 1,000 | Sqm | 60 ₹60,000 | 60 ₹60,000 | 30 ₹30,000 Lowest |
| 5.00 | M&L for 15 mm thick rendering in cement mortar 1:4 on fair surfaces of brick masonry or concrete surface, finished the surface even and smooth with using extra cement incl using WPC as per manufacturers instructions, complete all as specified and directed.
Note : WPC shall be measured and paid separately. | 1,000 | Sqm | 370 ₹3,70,000 | 300 ₹3,00,000 | 250 ₹2,50,000 Lowest |
| 6.00 | Supply only liquid waterproofing compound (ISI grade only) | 36 | Per Ltr | 120 ₹4,320 | 70 ₹2,520 Lowest | 100 ₹3,600 |
| 7.00 | M&L for applying two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating on existing roof screed/plaster surface including equipments and supervision charges in following step by
(i) Roof substrate must be pressure-washed with water with, a minimum working pressure of 1,400 psi is to be used to remove all dirt, dust, chalking and waste products, complying with standard specification and as directed by the Engineer-in-Charge.
(ii) Inspect for cracks over roof screed, roof wall junction, water drain inlets/outlets if any, and clean and moisten them. Crack’s width should be wide up to 5-6 mm with mechanical cutting machine and Apply bond coat of SBR Latex in the ratio of 1:1 (URP 1: Cement 1) followed by groove should be filled with PMM by preparing Polymer modified mortar of CM 1:1 (Silica sand size ≤ 300microns) admixed with SBR Latex at a dosage of 15% of cement.
(iii) Providing 300mm x 300 mm Square / rectangle upstand of M20 grade concrete or with PMM around mechanical equipment like HVAC, airconditioning, solar panels. Etc. Apply a coat of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating allow to cure for 3-4 hours and followed by apply two coats two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating reinforced with 45 Gsm glass fiber mesh or geo textile without dilution in the interval of 4 -6 hrs. Apply Hybrid PU Sealant at around the junction of fabricated stand inserted and wall mounting mechanical fixtures. | 1,000 | Sqm | 950 ₹9,50,000 Lowest | 1,100 ₹11,00,000 | 1,150 ₹11,50,000 |
| 7.01(iv) Providing Minimum 50mm thick angle fillet with CM of 1:3 admixed with SBR Latex at a dosage of 12-15% of Cement and a bond coat of SBR Latex mixed with Cement at a ratio of 1:1.(v) Premix hybrid Polyurethane waterproof coating components A and B with an electric double paddle mixer stirrer for 2-3 minutes at a slow speed. The concrete surface must be brought into surface saturated dry condition (SSD). Providing and apply first coat of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating to the existing screed/plaster at a rate of 0.5Kg/sq.mt/coat. Place a 45-GSM glass fiber mesh or 200- 225 GSM raw mesh between the first and second coats while the first coat is still wet. Allow the first coat to dry for 3-4 hours. Apply the second and third coats of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating with the same application coverage, but in a direction perpendicular to that of the first and second coats. Allow each coat to air cure for a minimum of 3-4 hours after application. Ensure that no void surface is left untreated or uncoated. All coats should be applied in directions perpendicular to each other, ensuring the correct consumption of material, resulting in a total dry film thickness of 1000 microns with system coverage in three undiluted coats at a rate of 1.50 Kg/ sq.mt/coat. Allow the system to air cure for 5-7 days minimum. The material should conform to the specified technical properties: | ||||||
| 7.02a) Tensile Strength with Fiber ≥9N/mm2 as per ASTM D 2370 b) Elongation at break ≥ 200% as per ASTM D 2370 c) Crack bridging ability ≥ 3mm as per EN 1062-7-2004(A) d) solid content ≥55% as per ASTM D 1,644-2001 e) Abrasion resistance 15mg confirming to ASTM D 4060 f) Shore-A 65 as per ASTM D2240 g) Tear Resistance with Fiber 40N/mm as per ASTM D 624. Note : 1 - The waterproofing coating shall be applied over the entire horizontal surface and extended onto the vertical surface of the parapet wall, as per the manufacturer methodology as directed by GE/Engineer-in-Charge. Note 2 : Necessary scaffolding shall be provided by the contractor. The rate is inclusive of scaffoling. Note 3. All waterproofing work suggested above shall be carried out by the in house application wing of the manufactuer or skilled waterproofing contractor under the guidance of a technical expert from the manufacturer. The technical expert should audit the quality of the waterproofing work and submit the report. The contractor should submit the skilled project waterproofer certificate issued from the manufacturer while receiving the work order. | ||||||
| 8.00 | M&L for provn of water proofing roof treatment to accessible/non-accessible RCC roof with APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) laid on primed surface by forced application complete all as specified The rate is inclusive of dismantling of old APP membrane. The new membrane shall be laid down as per follwing specifications :- (a) The surface of the roof, parapet and gutters, drain mouths etc over which water proofing treatment is to be applied shall be cleaned of all foreign matters such as fungus, mass, dust etc by wire brushing and dusting. For cast iron drain outlets the groove shall be cut around to tuck in the treatment as pipes, chimney stacs etc and other similar situations to ease up about corners. (b) Applying bituminous primer conforming to IS : 3384 -1965 oil bound bituminous primer @ 0.20 Kg/per Sqm and applying a coat blown grade hot bitumen 85/25 or 90/15 @ 1.20 Kg/sqm to be applied on prepared surface till the surface is properly impregnated. (c) APP modified water proofing membrane as specified shall be laid on the primer surface by torch application method as per manufacturer instructions. The overlaps while torching shall be 100mm in both directions (longitudenal and transverse directions). All overlap joints shall be sealed throughly by thermofusing both the membrane layers and sealing it with the help of hot trowel. The overlap joints shall be made as monolithic layer. (d) All joints & changes in direction should be curved with cement mortar 1:3 mixed with SBR latex @ 200ml per bag of cement and cured well before laying the membrane. (e) Apply one coat of solar reflective bituminous aluminium paint @ 100 gm per sqm over a coat of aluminium red oxide primer on the APP membrane, complete all as specified and directed by Engr-in-Charge. | 360 | Sqm | 750 ₹2,70,000 | 600 ₹2,16,000 Lowest | 650 ₹2,34,000 |
Tender Value
₹43.6 L
EMD Value
₹87,240
Closing Date
6 Nov 2025, 6:00 pmClosed
GE AF Trivandrum
Office of Garrison Engineer AF, Pulayanarkotta, Thuruvikkal Post, Trivandrum-695011
ADDN ALTN OF ROOF TREATMENT TO CERTAIN SMQS OF VAYU VIHAR AT HQ SAC UNDER GE AF TVM
2025_MES_735595_1
8572
Open Tender
Civil Works
Item Rate
180 days
Trivandrum
As per Tender Documents
7 documents required · 7 mandatory
₹500
Yes
GE AF Trivandrum
₹87,240
Yes
11 Dec 2025
16 Oct 2025
8 Nov 2025
16 Oct 2025
6 Nov 2025
30 Oct 2025
Amount
Demolition of cement concrete in roofs, floors (other than ground floor), beams, staircases, landing, tank staging and similar suspended work, complete all as specified and as directed.
M&L PCC 1:2:4 type B0 using 12.5mm graded stone aggregate as in padding concrete for roof, plinth courses, copings, string courses, water troughs and the like finished even and smooth including necessary formwork, weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.
M&L PCC 1:3:6 type C1 using 20mm graded stone aggregate as in tank staging concrete complete all as specified and as directed.
Taking down cement plaster including existing roof treatment or fillets on roof surfaces and wall surfaces complete, racking out joints, hacking for key scrubbing down with water etc and removing rubbish to a distance exc 250m and not exc 500m, complete all as specified and as directed.
M&L for 15 mm thick rendering in cement mortar 1:4 on fair surfaces of brick masonry or concrete surface, finished the surface even and smooth with using extra cement incl using WPC as per manufacturers instructions, complete all as specified and directed. Note : WPC shall be measured and paid separately.
Supply only liquid waterproofing compound (ISI grade only)
M&L for applying two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating on existing roof screed/plaster surface including equipments and supervision charges in following step by (i) Roof substrate must be pressure-washed with water with, a minimum working pressure of 1,400 psi is to be used to remove all dirt, dust, chalking and waste products, complying with standard specification and as directed by the Engineer-in-Charge. (ii) Inspect for cracks over roof screed, roof wall junction, water drain inlets/outlets if any, and clean and moisten them. Crack’s width should be wide up to 5-6 mm with mechanical cutting machine and Apply bond coat of SBR Latex in the ratio of 1:1 (URP 1: Cement 1) followed by groove should be filled with PMM by preparing Polymer modified mortar of CM 1:1 (Silica sand size ≤ 300microns) admixed with SBR Latex at a dosage of 15% of cement. (iii) Providing 300mm x 300 mm Square / rectangle upstand of M20 grade concrete or with PMM around mechanical equipment like HVAC, airconditioning, solar panels. Etc. Apply a coat of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating allow to cure for 3-4 hours and followed by apply two coats two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating reinforced with 45 Gsm glass fiber mesh or geo textile without dilution in the interval of 4 -6 hrs. Apply Hybrid PU Sealant at around the junction of fabricated stand inserted and wall mounting mechanical fixtures.
(iv) Providing Minimum 50mm thick angle fillet with CM of 1:3 admixed with SBR Latex at a dosage of 12-15% of Cement and a bond coat of SBR Latex mixed with Cement at a ratio of 1:1.(v) Premix hybrid Polyurethane waterproof coating components A and B with an electric double paddle mixer stirrer for 2-3 minutes at a slow speed. The concrete surface must be brought into surface saturated dry condition (SSD). Providing and apply first coat of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating to the existing screed/plaster at a rate of 0.5Kg/sq.mt/coat. Place a 45-GSM glass fiber mesh or 200- 225 GSM raw mesh between the first and second coats while the first coat is still wet. Allow the first coat to dry for 3-4 hours. Apply the second and third coats of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating with the same application coverage, but in a direction perpendicular to that of the first and second coats. Allow each coat to air cure for a minimum of 3-4 hours after application. Ensure that no void surface is left untreated or uncoated. All coats should be applied in directions perpendicular to each other, ensuring the correct consumption of material, resulting in a total dry film thickness of 1000 microns with system coverage in three undiluted coats at a rate of 1.50 Kg/ sq.mt/coat. Allow the system to air cure for 5-7 days minimum. The material should conform to the specified technical properties:
a) Tensile Strength with Fiber ≥9N/mm2 as per ASTM D 2370 b) Elongation at break ≥ 200% as per ASTM D 2370 c) Crack bridging ability ≥ 3mm as per EN 1062-7-2004(A) d) solid content ≥55% as per ASTM D 1,644-2001 e) Abrasion resistance 15mg confirming to ASTM D 4060 f) Shore-A 65 as per ASTM D2240 g) Tear Resistance with Fiber 40N/mm as per ASTM D 624. Note : 1 - The waterproofing coating shall be applied over the entire horizontal surface and extended onto the vertical surface of the parapet wall, as per the manufacturer methodology as directed by GE/Engineer-in-Charge. Note 2 : Necessary scaffolding shall be provided by the contractor. The rate is inclusive of scaffoling. Note 3. All waterproofing work suggested above shall be carried out by the in house application wing of the manufactuer or skilled waterproofing contractor under the guidance of a technical expert from the manufacturer. The technical expert should audit the quality of the waterproofing work and submit the report. The contractor should submit the skilled project waterproofer certificate issued from the manufacturer while receiving the work order.
M&L for provn of water proofing roof treatment to accessible/non-accessible RCC roof with APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) laid on primed surface by forced application complete all as specified The rate is inclusive of dismantling of old APP membrane. The new membrane shall be laid down as per follwing specifications :- (a) The surface of the roof, parapet and gutters, drain mouths etc over which water proofing treatment is to be applied shall be cleaned of all foreign matters such as fungus, mass, dust etc by wire brushing and dusting. For cast iron drain outlets the groove shall be cut around to tuck in the treatment as pipes, chimney stacs etc and other similar situations to ease up about corners. (b) Applying bituminous primer conforming to IS : 3384 -1965 oil bound bituminous primer @ 0.20 Kg/per Sqm and applying a coat blown grade hot bitumen 85/25 or 90/15 @ 1.20 Kg/sqm to be applied on prepared surface till the surface is properly impregnated. (c) APP modified water proofing membrane as specified shall be laid on the primer surface by torch application method as per manufacturer instructions. The overlaps while torching shall be 100mm in both directions (longitudenal and transverse directions). All overlap joints shall be sealed throughly by thermofusing both the membrane layers and sealing it with the help of hot trowel. The overlap joints shall be made as monolithic layer. (d) All joints & changes in direction should be curved with cement mortar 1:3 mixed with SBR latex @ 200ml per bag of cement and cured well before laying the membrane. (e) Apply one coat of solar reflective bituminous aluminium paint @ 100 gm per sqm over a coat of aluminium red oxide primer on the APP membrane, complete all as specified and directed by Engr-in-Charge.
Cutting grooves in brick wall, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 for tucking in edges of felt/APP membrane.
Dismantling single layer mangalore pattern or similar tiles in roofing incl ridge tiles complete all as specified and directed.
M&L for cement mortar fillets of 40 mm wide and 20 mm thick for laying mangalore pattern tile on roof, in cement mortar 1:4, complete all as specified and directed.
M&L for Roof tiles Mangalore pattern inter locking at side joints, laid dry, complete all as specified and directed.
All as per item above above but except tiles (using old tile obtained)
M&L Ridge or hip tiles to suit Mangalore pattern of roofing tiles, bedded and pointed in cement mortar 1:6.
All as per item above but except tiles (using old tile obtained)
M&L for double scaffolding using hard wood scantling props/ steel props as approved by AGE (without distrubing the existing wall) for removing the mangalore pattern tiles on roof/parapet and chajjas and for plastering and finishing the work the outer periphery of the building complete all as specified and as directed. Note : (i) The building considered in this item is G+3 storey and above. (ii) Area of Scaffolding shall be measured in one face only i.e Running Meter x Height and only after completion of work in all respect like dismantling, plastering, painting, roof treatment and complete finishes etc.
Disconnecting existing tanks, exc 500 & n.exc 1000 ltr capacity, setting aside (or lowering if required) for repairs, Cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc, and hoisting if required reconnecting and re-fixing in position all as specified and directed.
Dismantling existing water tanks and placed in a suitable position on roof and provide temporary connection of water for users, to faciliate water proofing work on platforms of water tanks. After roof treatment the temporary water connection shall be removed and dismantle the water tanks from its position and remove the tanks and connected items from the premises complete all as specified and directed by Engr-in-Charge.
S&F rotational moulded polythene water storage tank (Cylinderical vertical with close top) hoisted and fixed in position all as specified in repairs 750 ltrs capacity
S&F in repairs 25mm dia Ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed complete all as specified and directed.
S&F in repairs gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron/UPVC pipe of 32mm dia bore and fixed, complete all as specified and directed.
Taking up or down 25/32mm bore steel tubing and connections, including cleaning for refixing, complete all as specified and directed.
S&F 32 mm bore pipe (LEAD FREE), Unplasticised PVC pipes of pressure rating 10 kgf/cm2 fixed, complete to walls, ceilings or in floors etc.,
Taking up or down 20mm bore steel tubing and connections, including cleaning for refixing, complete all as specified and directed.
S&F 20mm bore pipe (LEAD FREE), Unplasticised PVC pipes of pressure rating 10 kgf/cm2, fixed complete to walls, ceilings or in floors etc.,
M&L one coat of exterior emulsion weather coat paint over the old wall surface including the preparation of the surfaces complete all as specified and directed.
M&L two coat of exterior emulsion weather coat paint over the old wall surface including the preparation of the surfaces complete all as specified and directed.
M&L one coat of exterior emulsion weather coat terracotta paint over wall or floor/ MP tiles surfaces including the preparation of the surfaces, complete all as specified and directed.
M&L for preparation of old steel surface of any description, over 10cm in width or girth,not otherwise describedand applying one coat of synthetic enamel paint complete all as specified and directed.
M&L preparation of old decorated wooden surface of any description over 10 CM width/girth and applying one coat of synthetic enamal paint complete all as specified and directed.
Demolition of Brickwork or stone/ boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and directed.
M&L for Brickwork with sub- class ‘B’ bricks straight or curved on plan exc 6 m mean radius in CM 1:6, complete all as specified and directed.
Taking down cement or cement lime plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. complete all as specified and directed.
M & L 15 mm thick rendering in CM 1:4 on brick or concrete surfaces including finishing the surfaces even and smooth with using extra cement.
M&L for preparation of new/undecorated surface of wall and applying two coats of exterior emulsion weather coat paint over one coat of primer complete all as specified and directed.
Obliterating old writing of any description, not exc 0.1 Sqm with paint to match existing work complete all as specified.
M&L for filling of holes made in walls, chajjas and roof projections to facilitate pipes passing and seal the joints with cement concrete 1:2:4 or with cement mortar 1:4 mixed with WPC. The holes/joints at the bottom of chajjas whereever pipes are running (surrounding the pipe) shall be filled with cement mortar 1:4 mixed with WPS. All joints of pipes shall be throughly filled and ensure water proofing complete all as per directed by Engr-in-Charge.
Removing of plants including roots by dismantling of brick work / PCC / RCC including necessary scaffolding,any type,any location /height ( i.e roof, parapet walls near pipes etc.) and applying Acid after removing roots for preventing the regrowthing and making good the disturbed portion using PCC 1:2:4 Type B-0 and plaster in CM 1:3 (size of disturbed portion 150 x 150 x 150mm) complete all as specified & directed by Engr- in -Charge.
S&F steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS 1161-1979 grade st-240 including one shop coat of zinc chromate primer paint including preparation of surface. Make: JSW/ TATA/ SURYA/ PRAKASH/ ZENITH
S&F Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment etc complete all as specified and directed.
M&L prepartion of new steel surface of any description not otherwise described over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc crome complete all as specified and directed.
M&L for Welded steel wire fabric n.exc 4 Kg/Sqm supplied and fixed complete to wood or steel members complete all as specified and as directed
Dhanyaconstructions (BID ID -3473792)
Powertech Engineers (BID ID -3472539)
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